GB/T 640-84
项目                                                 优级纯     分析纯
(GR)       (AR)

含量(NaHCO₃)Assay,%                 ≥99.8       99.8
水溶液反应water Solution
reaction                                             合格       合格
澄清度试验Clarity                           合格       合格
水不溶物Insiluble matter in water,% ≤0.005      0.01
氯化物及氯酸盐(以Cl计)
Chloride and chlorate,%             ≤0.001      0.002
硫化合物(以SO₄计)Sulur
compounds,%                              ≤0.002      0.005
氮化合物(N)Nitrogen,%               ≤0.0005     0.001
磷酸盐(以PO₄计)Phosphate,%   ≤0.001      0.002
硅酸盐(以SiO₃计)Silicate,%         ≤0.001      0.005
镁(Mg)Magnesium,%                   ≤0.002      0.003
钾(K）Potassium,%                  ≤0.005      0.01
铝(Al)Aluminum,%                        ≤0.005      0.01
钙(Ca)Calcium,%                         ≤0.005      0.007
铁(Fe)Iron,%                                   ≤0.0005     0.001
重金属(以Pb计)Heavy metals,%        ≤0.0005     0.001
还原碘物质(以HCOOH计)               ≤0.005        --
Substances reducing iodine

ACS级
项目名称                                    ACS Grade
含量(NaHCO₃)Assay                 99.7-100.3%
水不溶物Insoluble matter           ≤0.015%
总氮量(以Cl计)Total chlorine       ≤0.003%
磷酸盐(PO₄)Phosphate               ≤0.003%
铵(NH₄)Ammonium                    ≤5ppm
重金属(以Pb计)Heavy metals         ≤5ppm
铁(Fe)Iron                                     ≤0.001%
钙(Ca)Calcium                            ≤0.02%
镁(Mg)Magnesium                      ≤0.005%
钾(K)Potassium                           ≤0.005%



品级Grade                               色谱纯
(for HPLC，≥99.0%)
含量assay(calc. based on dry substance) ≥99.0% (T)
pKa (25 °C)                           (1) 6.37, (2) 10.25 (carbonic acid)
水溶解试验solubility in water           无色透明，0.1 g/mL
λ ≥10 % in H2O
紫外吸光值UV absorption
λ: 240 nm A:                          ≤0.1
λ: 250 nm A:                          ≤0.04
λ: 260 nm A:                          ≤0.02
λ: 280 nm A:                          ≤0.01
λ: 500 nm A:                          ≤0.01
RP gradient test                         Pass


品级Grade                               分子生物学
(for molecular biology, 99.7-100.3%)
外观Appearance                          白色粉末
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                              99.8 - 100.2% (T)
水溶解试验solubility in water           合格,10g/100ml水
硫化合物Sulfur compounds             ≤ 0.003% (AS SULFATE)
重金属Heavy metals                         ≤ 5 PPM (AS LEAD)
铁Iron(Fe)                                             ≤ 0.001%
钾Potassium(K)                                   ≤ 0.005%
DNASE, RNASE AND PROTEASE              NONE DETECTED

品级Grade                               药用级
(USP)
鉴定试验Identity                       PASS
纯度Purity（titration)                 99-101 %
干燥失重Loss on drying                 ≤0.25%
不溶物Insolubles                       PASS
正常碳酸盐Normal carbonate             PASS
氯化物Chloride                         ≤0.015%
硫化合物Sulphur compounds              ≤0.015%
砷Arsenic                              ≤2 ppm
重金属Heavy metals (as Pb)             ≤5 ppm
氨Ammonia                              PASS


品级Grade                           细胞与昆虫细胞培养级， 99.5-100.5%
(for cell culture,for insect cell culture, 99.5-100.5%)
外观Appearance                          White Powder
水溶性Solubility                        Colorless，Clear，100 mg/mL, H2O
滴定纯度Purity (Titration by HCl)       99.5 - 100.5 %
血细胞培养测试Cell by Hemocytometry     Pass
昆虫细胞培养测试Insect Cell Test        Pass

类别 有毒物品
毒性分级 中毒
安全说明  24/25
WGK Germany  1
RTECS号 VZ0950000
急性毒性 口服- 大鼠  LD50 4220  毫克/ 公斤; 口服- 小鼠 LD50: 3360 毫克/公斤
可燃性危险特性 不可燃烧； 受热放出有毒氧化钠气体
储运特性 库房低温, 通风, 干燥
灭火剂 水, 二氧化碳, 干粉, 泡沫

用途  用作食品工业的发酵剂、汽水和冷饮中二氧化碳的发生剂、黄油的保存剂。可直接用作制药工业的原料。还可用于电影制片、鞣革、选矿、冶炼、金属热处理、纤维、橡胶及农业浸种等。同时还用作羊毛的洗涤剂、泡沫灭火剂、浴用剂等。
用途  用作分析试剂，还用于无机合成和制药工业
用途  用于治疗酸血症